Burchard, Rene http://orcid.org/0000-0001-6113-3577
Huflage, Hanno
Soost, Christian
Richter, Oliver
Bouillon, Bertil
Graw, Jan Adriaan
Article History
Received: 23 November 2018
Accepted: 17 May 2019
First Online: 24 May 2019
Ethics approval and consent to participate
: The Medical Ethics Committee of the Medical Council Westphalia-Lippe approved this study (number of ethical approval: 2015-685-f-S). Written informed consent was obtained from all study participants before participation.
: Not applicable.
: The authors declare that they have no competing interests.